In the next 34 years, nearly 40 million people, especially in Mumbai and Kolkata, will be in danger from exposure to coastal flooding. The report has been released by United Nations' Global Environmental Outlook (GEO-6): Regional Assessments. The reason for this has been said to be rapid urbanisation, economic growth and of course climate change.

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As per the report, the nastiest effects of climate change will be seen in the Pacific and South and South-East Asia

Through this, the report has signalled that 7 of the 10 most vulnerable countries are in the Asia Pacific region

"Mumbai and West Bengal are at the maximum risk from coastal flooding due to urbanisation and economic growth."

With the higher number of population in the coastal regions of these two cities, India tops the list with nearly 40 million people at risk from rising sea levels

India is followed by "more than 25 million in Bangladesh, over 20 million in China and nearly 15 million in the Philippines."

As per the UN report, the "growing urban settlements in coastal areas have affected the ability of coastal systems to respond to extreme climate events."

The reasons include "changes in settlement patterns, urbanisation, socio-economic status etc." These have made these two cities more vulnerable

The researchers have also pointed out that coastal areas exposed to cyclones and typhoons tend to effect the poor more since they live on such vulnerable areas

The other cities are "Guangzhou and Shanghai in China, Dhaka in Bangladesh, Yangon in Myanmar, Bangkok in Thailand, and Ho Chi Minh City and Hai Phong in Vietnam."

The researchers have reported that glacier have started melting due to global warming which is resulting in increasing sea levels. Over the last few years, global warming has emerged as one of the most important environmental issues. It has also been claimed that there is more carbon dioxide in the atmosphere today than it was at any point in the last 500,000 years.

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